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GL: Bail earlier when encountering degenerate matrices

qteditor
Nicolas Hake 2016-06-19 11:22:04 +02:00
parent ecc386e6e7
commit 9555bf737f
1 changed files with 4 additions and 3 deletions
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7
src/graphics/C4DrawMeshGL.cpp
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@ -615,6 +615,10 @@ namespace
void RenderSubMeshImpl(const StdProjectionMatrix& projectionMatrix, const StdMeshMatrix& modelviewMatrix, const StdMeshInstance& mesh_instance, const StdSubMeshInstance& instance, DWORD dwModClr, DWORD dwBlitMode, DWORD dwPlayerColor, const C4FoWRegion* pFoW, const C4Rect& clipRect, const C4Rect& outRect, bool parity)
{
// Don't render with degenerate matrix
if (fabs(modelviewMatrix.Determinant()) < 1e-6)
return;
const StdMeshMaterial& material = instance.GetMaterial();
assert(material.BestTechniqueIndex != -1);
const StdMeshMaterialTechnique& technique = material.Techniques[material.BestTechniqueIndex];
@ -658,9 +662,6 @@ namespace
}
}
// Don't render with degenerate matrix
if (fabs(modelviewMatrix.Determinant()) < 1e-6)
return;
// Modelview matrix does not change between passes, so cache it here
const StdMeshMatrix normalMatrixTranspose = StdMeshMatrix::Inverse(modelviewMatrix);